Our Land and Water

Toitū te Whenua, Toiora te Wai

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Our Land and Water has now ended.
Our mission was to preserve the most fundamental treasures of Aotearoa – its land and water – while producing value from those same treasures.

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Guidance

Global Guidance on Environmental Life Cycle Impact Assessment Indicators 2

The Global Guidance for Life Cycle Impact Assessment Indicators 2 is aimed at life cycle assessment practitioners and method developers. It identifies the current best…
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Journal Article

Land-use suitability is not an intrinsic property of a land parcel

Land-use choices should not be determined by potential productivity alone but should also account for environmental constraints and for land use elsewhere in the landscape.…
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Guidance

Ki uta ki tai: mātāpono me te pūtaiao, ngā korero whakamahuki ma te kaitiaki – From mountains to the sea: values and science for an informed kaitiaki / guardian

Estuaries, located between land and sea, are diverse and productive ecosystems that provide a wide range of highly valued goods and services. The health of…
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Journal Article

Do soil cadmium concentrations decline after phosphate fertilizer application is stopped: A comparison of long-term pasture trials in NZ

Stopping phosphorus (P) fertiliser can decrease topsoil cadmium (Cd) concentrations. Stopping P fertiliser applications reduced soil Cd concentrations after 21 and 26 years. Reductions only…
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Journal Article

The ability to reduce soil legacy phosphorus at a country scale

The build-up of soil phosphorus (P) beyond plant requirements can lead to a long-term legacy of P losses that could impair surface water quality. Using…
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Interactive Tool

MitAgator

Built on a detailed farm map, MitAgator’s software gives a spatial view of where contaminant losses are occurring and identifies critical source areas (CSAs). Targeting…
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Journal Article

Comparison of four learning-based methods for predicting groundwater redox status

Knowing the location where groundwater denitrification occurs, or by proxy the groundwater redox status (oxic, mixed, and anoxic), is valuable information for assessing and managing…
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Technical Report

Essential freshwater: Impact of existing periphyton and proposed dissolved inorganic nitrogen bottom lines

This report for the Ministry for the Environment applies methods developed in the LUS research programme to help resource management professionals understand the implications of…
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Journal Article

Impacts of long-term biomass management on soil phosphorus under temperate grassland

We assessed and quantified the cumulative impact of 20 years of biomass management on the nature and bioavailability of soil phosphorus (P) accumulated from antecedent…
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